231352907 has 4 divisors (see below), whose sum is σ = 238815936. Its totient is φ = 223889880.

The previous prime is 231352903. The next prime is 231352921. The reversal of 231352907 is 709253132.

231352907 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 231352907 - 2² = 231352903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231352903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3731468 + ... + 3731529.

It is an arithmetic number, because the mean of its divisors is an integer number (59703984).

Almost surely, 2^231352907 is an apocalyptic number.

231352907 is a deficient number, since it is larger than the sum of its proper divisors (7463029).

231352907 is an equidigital number, since it uses as much as digits as its factorization.

231352907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7463028.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 231352907 is about 15210.2895107227. The cubic root of 231352907 is about 613.8915473336.

The spelling of 231352907 in words is "two hundred thirty-one million, three hundred fifty-two thousand, nine hundred seven".